16812266 has 8 divisors (see below), whose sum is σ = 25388100. Its totient is φ = 8349568.

The previous prime is 16812259. The next prime is 16812277. The reversal of 16812266 is 66221861.

It can be written as a sum of positive squares in 2 ways, for example, as 16362025 + 450241 = 4045^2 + 671^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27911 + ... + 28506.

Almost surely, 2^16812266 is an apocalyptic number.

16812266 is a deficient number, since it is larger than the sum of its proper divisors (8575834).

16812266 is a wasteful number, since it uses less digits than its factorization.

16812266 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56568.

The product of its digits is 6912, while the sum is 32.

The square root of 16812266 is about 4100.2763321513. The cubic root of 16812266 is about 256.1781495165.

The spelling of 16812266 in words is "sixteen million, eight hundred twelve thousand, two hundred sixty-six".